feat: folding, mini.pairs

init.lua

@@ -196,6 +196,31 @@ vim.o.scrolloff = 10
 -- See `:help 'confirm'`
 vim.o.confirm = true
 
+-- ========================================================================
+-- FOLDING CONFIGURATION - For Flutter widgets and code blocks
+-- ========================================================================
+-- Enable folding based on Treesitter (for Flutter widgets, functions, etc.)
+vim.o.foldmethod = 'expr'
+vim.o.foldexpr = 'nvim_treesitter#foldexpr()'
+-- Start with all folds open (don't fold on file open)
+vim.o.foldenable = false
+-- Set fold level (higher = more unfolded by default)
+vim.o.foldlevel = 99
+vim.o.foldlevelstart = 99
+-- Customize fold text to show more context
+vim.o.foldtext = ''
+-- Hide fold column globally (saves space, folds still work with za/zc/zo)
+vim.o.foldcolumn = '0' -- Set to '1' if you want the fold column back
+
+-- Folding keymaps:
+--   za - Toggle fold under cursor
+--   zc - Close fold under cursor
+--   zo - Open fold under cursor
+--   zM - Close all folds
+--   zR - Open all folds
+--   zj - Move to next fold
+--   zk - Move to previous fold
+
 -- [[ Basic Keymaps ]]
 --  See `:help vim.keymap.set()`
 
@@ -995,6 +1020,13 @@ require('lazy').setup({
       -- - sr)'  - [S]urround [R]eplace [)] [']
       require('mini.surround').setup()
 
+      -- Autopairs - automatically close brackets, quotes, etc.
+      --
+      -- When you type { it automatically adds }
+      -- When you type " it automatically adds the closing "
+      -- Press <CR> between brackets to add proper indentation
+      require('mini.pairs').setup()
+
       -- Simple and easy statusline.
       --  You could remove this setup call if you don't like it,
       --  and try some other statusline plugin
@@ -1051,6 +1083,10 @@ require('lazy').setup({
         additional_vim_regex_highlighting = { 'ruby' },
       },
       indent = { enable = true, disable = { 'ruby' } },
+      -- Enable folding based on Treesitter
+      fold = {
+        enable = true,
+      },
     },
     -- There are additional nvim-treesitter modules that you can use to interact
     -- with nvim-treesitter. You should go explore a few and see what interests you:

lua/custom/plugins/flutter.lua

@@ -246,6 +246,43 @@ return {
         end,
       })
 
+      -- ========================================================================
+      -- ENABLE TREESITTER FOLDING FOR DART FILES
+      -- ========================================================================
+      -- Set fold method to use Treesitter for Flutter widgets
+      -- Using multiple autocmds to ensure it sticks (some plugins override it)
+      local fold_augroup = vim.api.nvim_create_augroup('DartFolding', { clear = true })
+      
+      vim.api.nvim_create_autocmd({ 'BufRead', 'BufEnter', 'BufWinEnter' }, {
+        group = fold_augroup,
+        pattern = '*.dart',
+        callback = function()
+          vim.opt_local.foldmethod = 'expr'
+          vim.opt_local.foldexpr = 'nvim_treesitter#foldexpr()'
+          vim.opt_local.foldlevel = 99          -- High level = everything unfolded
+          vim.opt_local.foldlevelstart = 99     -- Start with everything unfolded
+          
+          -- Hide fold column (no extra column, folds still work!)
+          vim.opt_local.foldcolumn = '0'
+          
+          -- Minimal fold display (VS Code style - just shows first line)
+          vim.opt_local.foldtext = ''
+        end,
+      })
+      
+      -- Also set after LSP attaches (flutter-tools might reset it)
+      vim.api.nvim_create_autocmd('LspAttach', {
+        group = fold_augroup,
+        callback = function(args)
+          local client = vim.lsp.get_client_by_id(args.data.client_id)
+          if client and client.name == 'dartls' then
+            vim.opt_local.foldmethod = 'expr'
+            vim.opt_local.foldexpr = 'nvim_treesitter#foldexpr()'
+            vim.opt_local.foldlevel = 99        -- Everything unfolded
+          end
+        end,
+      })
+
       -- ========================================================================
       -- FLUTTER-SPECIFIC KEYMAPS
       -- ========================================================================
@@ -257,6 +294,16 @@ return {
         callback = function()
           local opts = { buffer = true, silent = true }
 
+          -- ========================================================================
+          -- ENABLE TREESITTER FOLDING FOR DART FILES
+          -- ========================================================================
+          -- Set fold method to use Treesitter for Flutter widgets
+          vim.opt_local.foldmethod = 'expr'
+          vim.opt_local.foldexpr = 'nvim_treesitter#foldexpr()'
+          vim.opt_local.foldenable = false -- Start with folds open
+          vim.opt_local.foldlevel = 99
+          vim.opt_local.foldlevelstart = 99
+
           -- Flutter run/quit
           -- WORKFLOW: 
           --   1. First time: <leader>fd to select device
@@ -338,4 +385,18 @@ return {
       })
     end,
   },
+
+  -- ========================================================================
+  -- DART TREESITTER - Ensure dart parser is installed for proper folding
+  -- ========================================================================
+  {
+    'nvim-treesitter/nvim-treesitter',
+    ft = 'dart',
+    opts = function(_, opts)
+      -- Ensure Dart parser is installed
+      opts.ensure_installed = opts.ensure_installed or {}
+      vim.list_extend(opts.ensure_installed, { 'dart' })
+      return opts
+    end,
+  },
 }